rss2email/Containerfile

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2023-12-20 13:37:33 +01:00
FROM docker.io/library/golang:alpine AS builder
#
LABEL org.opencontainers.image.source=https://github.com/skx/rss2email/
# Ensure we have git
RUN apk update && apk add --no-cache git
# checkout rss2email
RUN git clone https://github.com/skx/rss2email.git $GOPATH/src/github.com/skx/rss2email/
# Create a working-directory
WORKDIR $GOPATH/src/github.com/skx/rss2email/
# Build the binary.
RUN go build -o /go/bin/rss2email
FROM alpine
RUN apk update && apk add --no-cache msmtp tini bash
# Create a working directory
WORKDIR /app
# Copy the binary.
COPY --from=builder /go/bin/rss2email /app/
ADD scripts/createMSMTPconfig.sh /createMSMTPconfig.sh
ADD scripts/entryPoint.sh /entryPoint.sh
RUN chmod +x /entryPoint.sh
RUN chmod +x /createMSMTPconfig.sh
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# we use msmtp as a dropin replacement for sendmail
RUN rm /usr/sbin/sendmail
RUN ln -s /usr/bin/msmtp /usr/sbin/sendmail
# add a user for running rss2email in the container
RUN addgroup rss2email && adduser -D -G rss2email rss2email
RUN mkdir -p /home/rss2email/.rss2email/
# ensure a homedirectory for the user exists and has correct access rights
RUN mkdir -p /home/rss2email && chown rss2email.rss2email /home/rss2email
# run everything as the rss2email user
USER rss2email
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ENTRYPOINT ["/sbin/tini", "--", "/entryPoint.sh"]